276 lines
13 KiB
Python
276 lines
13 KiB
Python
import urllib.parse as urllib_parse
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from pyld import jsonld
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from pyld.jsonld import JsonLdError
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schemas = {
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"www.w3.org/ns/activitystreams": {
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"contentType": "application/ld+json",
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"documentUrl": "http://www.w3.org/ns/activitystreams",
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"contextUrl": None,
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"document": {
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"@context": {
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"@vocab": "_:",
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"xsd": "http://www.w3.org/2001/XMLSchema#",
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"as": "https://www.w3.org/ns/activitystreams#",
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"ldp": "http://www.w3.org/ns/ldp#",
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"vcard": "http://www.w3.org/2006/vcard/ns#",
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"id": "@id",
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"type": "@type",
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"Accept": "as:Accept",
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"Activity": "as:Activity",
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"IntransitiveActivity": "as:IntransitiveActivity",
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"Add": "as:Add",
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"Announce": "as:Announce",
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"Application": "as:Application",
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"Arrive": "as:Arrive",
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"Article": "as:Article",
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"Audio": "as:Audio",
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"Block": "as:Block",
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"Collection": "as:Collection",
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"CollectionPage": "as:CollectionPage",
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"Relationship": "as:Relationship",
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"Create": "as:Create",
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"Delete": "as:Delete",
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"Dislike": "as:Dislike",
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"Document": "as:Document",
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"Event": "as:Event",
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"Follow": "as:Follow",
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"Flag": "as:Flag",
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"Group": "as:Group",
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"Ignore": "as:Ignore",
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"Image": "as:Image",
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"Invite": "as:Invite",
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"Join": "as:Join",
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"Leave": "as:Leave",
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"Like": "as:Like",
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"Link": "as:Link",
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"Mention": "as:Mention",
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"Note": "as:Note",
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"Object": "as:Object",
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"Offer": "as:Offer",
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"OrderedCollection": "as:OrderedCollection",
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"OrderedCollectionPage": "as:OrderedCollectionPage",
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"Organization": "as:Organization",
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"Page": "as:Page",
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"Person": "as:Person",
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"Place": "as:Place",
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"Profile": "as:Profile",
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"Question": "as:Question",
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"Reject": "as:Reject",
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"Remove": "as:Remove",
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"Service": "as:Service",
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"TentativeAccept": "as:TentativeAccept",
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"TentativeReject": "as:TentativeReject",
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"Tombstone": "as:Tombstone",
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"Undo": "as:Undo",
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"Update": "as:Update",
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"Video": "as:Video",
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"View": "as:View",
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"Listen": "as:Listen",
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"Read": "as:Read",
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"Move": "as:Move",
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"Travel": "as:Travel",
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"IsFollowing": "as:IsFollowing",
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"IsFollowedBy": "as:IsFollowedBy",
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"IsContact": "as:IsContact",
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"IsMember": "as:IsMember",
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"subject": {"@id": "as:subject", "@type": "@id"},
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"relationship": {"@id": "as:relationship", "@type": "@id"},
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"actor": {"@id": "as:actor", "@type": "@id"},
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"attributedTo": {"@id": "as:attributedTo", "@type": "@id"},
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"attachment": {"@id": "as:attachment", "@type": "@id"},
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"bcc": {"@id": "as:bcc", "@type": "@id"},
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"bto": {"@id": "as:bto", "@type": "@id"},
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"cc": {"@id": "as:cc", "@type": "@id"},
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"context": {"@id": "as:context", "@type": "@id"},
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"current": {"@id": "as:current", "@type": "@id"},
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"first": {"@id": "as:first", "@type": "@id"},
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"generator": {"@id": "as:generator", "@type": "@id"},
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"icon": {"@id": "as:icon", "@type": "@id"},
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"image": {"@id": "as:image", "@type": "@id"},
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"inReplyTo": {"@id": "as:inReplyTo", "@type": "@id"},
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"items": {"@id": "as:items", "@type": "@id"},
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"instrument": {"@id": "as:instrument", "@type": "@id"},
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"orderedItems": {
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"@id": "as:items",
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"@type": "@id",
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"@container": "@list",
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},
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"last": {"@id": "as:last", "@type": "@id"},
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"location": {"@id": "as:location", "@type": "@id"},
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"next": {"@id": "as:next", "@type": "@id"},
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"object": {"@id": "as:object", "@type": "@id"},
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"oneOf": {"@id": "as:oneOf", "@type": "@id"},
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"anyOf": {"@id": "as:anyOf", "@type": "@id"},
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"closed": {"@id": "as:closed", "@type": "xsd:dateTime"},
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"origin": {"@id": "as:origin", "@type": "@id"},
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"accuracy": {"@id": "as:accuracy", "@type": "xsd:float"},
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"prev": {"@id": "as:prev", "@type": "@id"},
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"preview": {"@id": "as:preview", "@type": "@id"},
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"replies": {"@id": "as:replies", "@type": "@id"},
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"result": {"@id": "as:result", "@type": "@id"},
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"audience": {"@id": "as:audience", "@type": "@id"},
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"partOf": {"@id": "as:partOf", "@type": "@id"},
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"tag": {"@id": "as:tag", "@type": "@id"},
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"target": {"@id": "as:target", "@type": "@id"},
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"to": {"@id": "as:to", "@type": "@id"},
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"url": {"@id": "as:url", "@type": "@id"},
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"altitude": {"@id": "as:altitude", "@type": "xsd:float"},
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"content": "as:content",
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"contentMap": {"@id": "as:content", "@container": "@language"},
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"name": "as:name",
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"nameMap": {"@id": "as:name", "@container": "@language"},
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"duration": {"@id": "as:duration", "@type": "xsd:duration"},
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"endTime": {"@id": "as:endTime", "@type": "xsd:dateTime"},
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"height": {"@id": "as:height", "@type": "xsd:nonNegativeInteger"},
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"href": {"@id": "as:href", "@type": "@id"},
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"hreflang": "as:hreflang",
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"latitude": {"@id": "as:latitude", "@type": "xsd:float"},
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"longitude": {"@id": "as:longitude", "@type": "xsd:float"},
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"mediaType": "as:mediaType",
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"published": {"@id": "as:published", "@type": "xsd:dateTime"},
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"radius": {"@id": "as:radius", "@type": "xsd:float"},
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"rel": "as:rel",
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"startIndex": {
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"@id": "as:startIndex",
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"@type": "xsd:nonNegativeInteger",
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},
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"startTime": {"@id": "as:startTime", "@type": "xsd:dateTime"},
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"summary": "as:summary",
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"summaryMap": {"@id": "as:summary", "@container": "@language"},
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"totalItems": {
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"@id": "as:totalItems",
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"@type": "xsd:nonNegativeInteger",
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},
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"units": "as:units",
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"updated": {"@id": "as:updated", "@type": "xsd:dateTime"},
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"width": {"@id": "as:width", "@type": "xsd:nonNegativeInteger"},
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"describes": {"@id": "as:describes", "@type": "@id"},
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"formerType": {"@id": "as:formerType", "@type": "@id"},
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"deleted": {"@id": "as:deleted", "@type": "xsd:dateTime"},
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"inbox": {"@id": "ldp:inbox", "@type": "@id"},
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"outbox": {"@id": "as:outbox", "@type": "@id"},
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"following": {"@id": "as:following", "@type": "@id"},
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"followers": {"@id": "as:followers", "@type": "@id"},
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"streams": {"@id": "as:streams", "@type": "@id"},
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"preferredUsername": "as:preferredUsername",
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"endpoints": {"@id": "as:endpoints", "@type": "@id"},
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"uploadMedia": {"@id": "as:uploadMedia", "@type": "@id"},
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"proxyUrl": {"@id": "as:proxyUrl", "@type": "@id"},
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"liked": {"@id": "as:liked", "@type": "@id"},
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"oauthAuthorizationEndpoint": {
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"@id": "as:oauthAuthorizationEndpoint",
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"@type": "@id",
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},
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"oauthTokenEndpoint": {"@id": "as:oauthTokenEndpoint", "@type": "@id"},
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"provideClientKey": {"@id": "as:provideClientKey", "@type": "@id"},
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"signClientKey": {"@id": "as:signClientKey", "@type": "@id"},
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"sharedInbox": {"@id": "as:sharedInbox", "@type": "@id"},
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"Public": {"@id": "as:Public", "@type": "@id"},
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"source": "as:source",
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"likes": {"@id": "as:likes", "@type": "@id"},
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"shares": {"@id": "as:shares", "@type": "@id"},
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"alsoKnownAs": {"@id": "as:alsoKnownAs", "@type": "@id"},
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}
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},
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},
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"w3id.org/security/v1": {
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"contentType": "application/ld+json",
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"documentUrl": "http://w3id.org/security/v1",
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"contextUrl": None,
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"document": {
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"@context": {
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"id": "@id",
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"type": "@type",
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"dc": "http://purl.org/dc/terms/",
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"sec": "https://w3id.org/security#",
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"xsd": "http://www.w3.org/2001/XMLSchema#",
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"EcdsaKoblitzSignature2016": "sec:EcdsaKoblitzSignature2016",
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"Ed25519Signature2018": "sec:Ed25519Signature2018",
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"EncryptedMessage": "sec:EncryptedMessage",
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"GraphSignature2012": "sec:GraphSignature2012",
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"LinkedDataSignature2015": "sec:LinkedDataSignature2015",
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"LinkedDataSignature2016": "sec:LinkedDataSignature2016",
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"CryptographicKey": "sec:Key",
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"authenticationTag": "sec:authenticationTag",
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"canonicalizationAlgorithm": "sec:canonicalizationAlgorithm",
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"cipherAlgorithm": "sec:cipherAlgorithm",
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"cipherData": "sec:cipherData",
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"cipherKey": "sec:cipherKey",
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"created": {"@id": "dc:created", "@type": "xsd:dateTime"},
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"creator": {"@id": "dc:creator", "@type": "@id"},
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"digestAlgorithm": "sec:digestAlgorithm",
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"digestValue": "sec:digestValue",
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"domain": "sec:domain",
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"encryptionKey": "sec:encryptionKey",
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"expiration": {"@id": "sec:expiration", "@type": "xsd:dateTime"},
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"expires": {"@id": "sec:expiration", "@type": "xsd:dateTime"},
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"initializationVector": "sec:initializationVector",
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"iterationCount": "sec:iterationCount",
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"nonce": "sec:nonce",
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"normalizationAlgorithm": "sec:normalizationAlgorithm",
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"owner": {"@id": "sec:owner", "@type": "@id"},
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"password": "sec:password",
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"privateKey": {"@id": "sec:privateKey", "@type": "@id"},
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"privateKeyPem": "sec:privateKeyPem",
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"publicKey": {"@id": "sec:publicKey", "@type": "@id"},
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"publicKeyBase58": "sec:publicKeyBase58",
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"publicKeyPem": "sec:publicKeyPem",
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"publicKeyWif": "sec:publicKeyWif",
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"publicKeyService": {"@id": "sec:publicKeyService", "@type": "@id"},
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"revoked": {"@id": "sec:revoked", "@type": "xsd:dateTime"},
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"salt": "sec:salt",
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"signature": "sec:signature",
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"signatureAlgorithm": "sec:signingAlgorithm",
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"signatureValue": "sec:signatureValue",
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}
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},
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},
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}
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def builtin_document_loader(url: str, options={}):
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# Get URL without scheme
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pieces = urllib_parse.urlparse(url)
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if pieces.hostname is None:
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raise JsonLdError(
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f"No schema built-in for {url!r}",
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"jsonld.LoadDocumentError",
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code="loading document failed",
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cause="NoHostnameError",
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)
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key = pieces.hostname + pieces.path.rstrip("/")
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try:
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return schemas[key]
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except KeyError:
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raise JsonLdError(
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f"No schema built-in for {key!r}",
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"jsonld.LoadDocumentError",
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code="loading document failed",
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cause="KeyError",
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)
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def canonicalise(json_data, include_security=False):
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"""
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Given an ActivityPub JSON-LD document, round-trips it through the LD
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systems to end up in a canonicalised, compacted format.
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For most well-structured incoming data this won't actually do anything,
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but it's probably good to abide by the spec.
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"""
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if not isinstance(json_data, (dict, list)):
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raise ValueError("Pass decoded JSON data into LDDocument")
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return jsonld.compact(
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jsonld.expand(json_data),
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(
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[
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"https://www.w3.org/ns/activitystreams",
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"https://w3id.org/security/v1",
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]
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if include_security
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else "https://www.w3.org/ns/activitystreams"
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),
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)
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